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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 6322473 | Drive sprocket which has rotating members which are engaged by drive lugs of a track A drive mechanism includes a drive shaft and a sprocket drive assembly. The sprocket drive assembly includes a hub mechanically coupled to the drive shaft, a first side support secured to the hub, a second side support secured to the hub, and a plurality ... | 11/27/2001 |
| 4991347 | Opening/closing mechanism for the use in circular-arc shaped sliding doors An opening/closing mechanism for use in a circular-arc shaped sliding door including a transverse frame having a circular-arc horizontal sectional shape and mounted on the upper parts of a pair of left and right door bodies; a drive pulley and a driven pu... | 02/12/1991 |
| 4457033 | Adjustable combination lawn mower tool An adjustable combination tool forming a C-clamp, a valve pulling device for valves in small gasoline engines, a wrench for turning starter clutch housings in such engines and a device for removing flywheels from such engines. The tool comprises a first b... | 07/03/1984 |
| 4270907 | Link chain for power drives An endless standard link chain closed with a quarter- or half-turn twist to increase the contact length by a factor of four or two, respectively, and thus extend its life when used on power drives utilizing sprockets capable of engaging standard link chai... | 06/02/1981 |
| 4253836 | Mobius belt and method of making the same Endless power transmission belts of spliceless, Mobius strip construction comprising a continuous strength member embedded in an elastomeric material, together with methods for the manufacture of such belts, are provided.... | 03/03/1981 |
| 4058022 | Mobius drive belt fastener A mobius drive belt and mobius drive belt fastener are disclosed in which a drive belt of a polygonal or curvelinear cross section is joined to itself at the butt ends to form a drive belt having one continuous driving or belt engaging surface. The drive ... | 11/15/1977 |
| 3995506 | Power transmission belt A power transmission belt having the form of a Mobius strip with a single half twist consisting of a laminated structure assembled from a single strip of flexible material. The flexible material may be an adhesive tape or similar material having an adhesi... | 12/07/1976 |
| 3991631 | Woven endless belt of a spliceless and Mobius strip construction An endless belt is provided which is suitable for being rotated during use in various manufacturing and material handling operations and the like and is characterized by a construction having an increased surface and edge wear potential. The belt is a wov... | 11/16/1976 |
